background: acute obstruction of the colon continues to be a lethal disease with little improvement in the mortality rate over the past 50 years. so, this study was undertaken to define the causes of colon obstruction and their probable changes after years. â  methods: from 1979 to 2004, all records of patients with definite diagnosis of intestinal obstruction at all hospitals affiliated to shi...

BACKGROUND The provision of feed is a major cost in beef production. Therefore, the improvement of feed efficiency is warranted. The direct assessment of feed efficiency has limitations and alternatives are needed. Small intestine micro-architecture is associated with function and may be related to feed efficiency. The objective was to verify the potential histomorphological differences in the ...

OBJECTIVE To evaluate the breast histomorphometric changes in rats treated with estrogen and/or progestogen for a short period of time. METHODS Forty oophorectomized rats were divided into four groups: GC, vehicle; GE, treated with estradiol benzoate (37.6 mg/animal); GP, treated with medroxyprogesterone acetate (11.2 mg/animal) and GEP, treated with estradiol benzoate (37.6 mg/animal) plus m...

Treatment effects on bone quality and remodeling was assessed in postmenopausal women with osteoporosis treated with oral alendronate. One transiliac bone biopsy was obtained from 231 women at either 24 mo ( n 5 11) or 36 mo ( n 5 120) from the start of treatment with alendronate at doses of between 5 and 20 mg/d, or placebo. 64 biopsies at 24 mo (31 from the placebo group and 33 alendronatetre...